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https://dev.mysql.com/doc/refman/8.0/en/charset-database.html
Every database has a database character set and a database collation. The CREATE DATABASE and ALTER DATABASE statements have optional clauses for specifying the database character set and collation: CREATE DATABASE db_name [[DEFAULT] CHARACTER SET ...
https://dev.mysql.com/doc/refman/8.0/en/charset-examples.html
The following examples show how MySQL determines default character set and collation values. Example 1: Table and Column Definition CREATE TABLE t1 ( c1 CHAR(10) CHARACTER SET latin1 COLLATE latin1_german1_ci ) DEFAULT CHARACTER SET latin2 COLLATE ...
https://dev.mysql.com/doc/refman/8.0/en/charset-unicode-utf32.html
The utf32 character set is fixed length (like ucs2 and unlike utf16). utf32 uses 32 bits for every character, unlike ucs2 (which uses 16 bits for every character), and unlike utf16 (which uses 16 bits for some characters and 32 bits for others).
https://dev.mysql.com/doc/refman/8.0/en/charset-unicode-utf8.html
utf8 has been used by MySQL in the past as an alias for the utf8mb3 character set, but this usage is now deprecated; in MySQL 8.0, SHOW statements and columns of INFORMATION_SCHEMA tables display utf8mb3 instead. For more information, see Section ...
https://dev.mysql.com/doc/refman/8.0/en/charset-unicode-utf8mb3.html
The utf8mb3 character set has these characteristics: Supports BMP characters only (no support for supplementary characters) Requires a maximum of three bytes per multibyte character. Applications that use UTF-8 data but require supplementary ...
https://dev.mysql.com/doc/refman/8.0/en/clone-plugin-installation.html
This section describes how to install and configure the clone plugin. For remote cloning operations, the clone plugin must be installed on the donor and recipient MySQL server instances. For general information about installing or uninstalling ...
https://dev.mysql.com/doc/refman/8.0/en/clone-plugin-limitations.html
The clone plugin is subject to these limitations: An instance cannot be cloned from a different MySQL server series. For example, you cannot clone between MySQL 8.0 and MySQL 8.4, but can clone within a series such as MySQL 8.0.37 and MySQL 8.0.42.
https://dev.mysql.com/doc/refman/8.0/en/clone-plugin-remote.html
The clone plugin supports the following syntax for cloning remote data; that is, cloning data from a remote MySQL server instance (the donor) and transferring it to the MySQL instance where the cloning operation was initiated (the recipient). CLONE ...
https://dev.mysql.com/doc/refman/8.0/en/command-line-options.html
Program options specified on the command line follow these rules: Options are given after the command name. An option argument begins with one dash or two dashes, depending on whether it is a short form or long form of the option name. For example, ...
https://dev.mysql.com/doc/refman/8.0/en/comparison-operators.html
Table 14.4 Comparison Operators Name Description > Greater than operator >= Greater than or equal operator < Less than operator <>, != Not equal operator <= Less than or equal operator <=> NULL-safe equal to operator = Equal operator BETWEEN ...